Question about 1993 GMC Jimmy

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1993 gmc jimmy slt when started wont idle just gos to a rough idle that shakes the truck then dies out when running if i give it gas will just bog and if i slitly tap the pedle a little bit really fast can get the RPMs up and keep it running but if i punch it bogs right down and back fires and gos back to running rough any ideas?

Posted by alex_babinea on

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EdCarCal

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There are a number of sensors and controls that can cause this problem (mainly MAF, TPS, IAC motor, EGR valve, O2 sensor) and you will have to figure out which one (or more) is causing the problem. First check for error codes with an OBDI code checker and follow up on the results.

Posted on Nov 18, 2017

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4 Related Answers

Anonymous

  • 62 Answers

SOURCE: Engine bogs down and shuts off while driving down the road.

could be vgr valve or the brain box trying to go out vgr valve u can remove and scrape the carbon deposits off using a wired brush alot of times when it is the vgr valve thats all it is they vary rarely have to be replaced

Posted on Apr 28, 2009

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Anonymous

  • 82 Answers

SOURCE: engine bogs down at 3500 rpms and low trac and or abs light comes on

You are spinning your tires ... read your manual ... shut off the traction control .... spin away!

Posted on Apr 30, 2009

Anonymous

  • 3 Answers

SOURCE: 2002 Audi A4 3.0 Stalling and bogging down majorly.

Ignition coils has to be the answer. if it was the fuel pump your car wouldnt start. So i would say contact audi. they should have sent you a letter in the mail. We have the same car and i got a letter from them. ignition coils are the recall for the 02 a4.

Posted on Apr 08, 2010

skychief2001

Stephen

  • 21873 Answers

SOURCE: what would case my 99 gmc jimmy to bog down and run rough when giving it gas

If you have replaced the fuel filter this year, the next thing to check is fuel pressure with a gauge. GM vortec engines require 60psi or more to run.
If the check engine light is on you should also have the computer scanned for trouble codes.

Posted on Aug 23, 2012

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What would case my 99 gmc jimmy to bog down and run rough when giving it gas


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If the check engine light is on you should also have the computer scanned for trouble codes.

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